Diagnostic radiology in relation to the menstrual cycle.
D004622:Embryo, Mammalian / Q000528:radiation effects; D005260:Female; D005333:Fetus / Q000528:radiation effects; D006801:Humans; D008598:Menstruation; D010063:Ovum / Q000528:radiation effects; D011247:Pregnancy; D011830:Radiation Effects; D011859:Radiography; D013997:Time Factors